Window construction



March 28, 1939. G. A. KREUSCHER WINDOW CONSTRUCTION Filed Jan. 13, 1937 2 Sheets-Sheet l i Imwww March 28, 1939.

G. A. KR EUSCHER WINDOW CONSTRUCTION Filed Jan. 15, 1937 2 Sheets-Sheet 2 I Patented Mar. 28, 1939 UNITED STATES WINDOW CONSTBUCTIDN George A. Kreuscher, Kenosha, Wis., assignor to W. J. Dennis a Company, Chicago, 111., a corporation oi [lllnois Application January 13, 1937, Serial No. 120,417

8Claims.

'Ihisinvention relates to window construction, and particularly to novel means for positioning the sash members thereof in the window casing, and for facilitating the movements of the. sash 6 with respect thereto.

One object of the present invention is to provide novel means for obtaining a substantially weather-tight connection between the window casing and the sash slidably mounted therein.

Another object of the invention is to provide a resilient member engaging the casing and sash with a yielding pressure to produce a cushioning effect in all directions laterally of the sash and in a manner to prevent rattling, binding or sticking of the sash within the casing, and to compensate for expansion and contraction of the sash rails and casing.

Another object of the invention is to provide a resilient member adapted to be positioned, under 0 tension, between the side portions of the casing and the side edge portions of the sash in a manner to engage both the casing and sash yieldingly, and with a pressure intended to provide a weather-tight connection between the respective elements and to assist in maintaining the window sash in various positions of adjustment with respect to the casing.

Another object of the invention is to provide a resilient member between the side portions of the casing and sash, and having an elongated projection adjacent its central longitudinal portion forming an intermediate stop member between adjacent faces of the respective sash.

Another object of the invention is to provide 3!! novel resilient means operatively related to the window casing and sash for counter-balancing and assisting in positioning the sash in various positions of adjustment with respect to the casing.

40 Another object of the invention is to provide a counter-balancing device embodying resilient members wherein a substantially uniform tensioning of the said members is obtained throughout substantially the entire raising and lowering movement of the sash.

A further object of the invention is to provide a novel combination of operatively related compression and tension springs connected, respec- 50 tively, to the sash and casing of the window structure in a manner to facilitate the removal of the springs for purposes of repair or replacement.

A still further object of the invention is to as improve a structure of the character described in sundry details hereinafter referred to and particularly pointed out in the appended claims.

One embodiment of the present invention is shown for illustrative purposes in the accompanying drawings, in which:

Fig. 1 is an inside perspective view of a window casing and sash members therefor embodying features of the present invention;

Fig. 2 is an enlarged transverse plan sectional view through a portion of Fig. 1, and taken sub- 1 startially as indicated by the line 2-2 thereof;

Fig. 3 is an enlarged fragmentarysectional view taken substantially as indicated by the line 3-3 of Fig, l, and showing portions of the upper and lower sash members adjacent each other or in window closing position;

Fig. 4 is a perspective view of an elongated resilient metal strip or member forming a part of the present invention; a Fig. 5 is an enlarged transverse plan sectional view taken substantially as indicated by the line 5-5 of Fig. 4;

Fig. 6 is an enlarged vertical sectional elevational view taken substantially as indicated by the line 9-6 of Fig. l;

Fig. 7 is an enlarged plan sectional view taken substantially as indicated by the line 1-1 of Fig. l;

Fig. 8 is a further enlarged sectional elevational view taken substantially as indicated by the line 30 8-8 of Fig. 7, and illustrating the relationship of my improved counter-balancing means to the casing and sash members of the window construction;

Fig. 9 is a separated or exploded view of related elements embodied in the counter-balancing means of the structure illustrated in Fig. 8; and

Fig. 10 is a vertical sectional elevational view of a slightly modified counter-balancing structure, of which the present invention is susceptible.

In the illustrative embodiment, the present invention is shown in its relation to a window construction comprising a. casing indicated, as a whole, by the numeral H, and having laterally spaced vertically disposed substantially parallel inner and outer stop members i2 and I3, respectively, secured thereto at opposite sides of the casing, and provided also with inner and outer or lower and upper sash members indicated, as a whole, and respectively, by the numerals l4 and I5 slidably mounted in the casing ll adjacent the respective inner and outer stops I2 and I3 thereof.

For providing a weather-tight connection between the casing and sash members i4 and ll, 56

an elongated strip or member indicated, as a whole, by the numeral I3, and formed, prefera of resilient material such, for example, as resilient sheet metal or the like, is positioned between the casing II and sash members I3 and II in a manner to position the end portions II of the member I3 in engagement with the casing -II between the stops I2 and I3. Themember I3 is provided intermediate the longitudinal edge portions thereof, preferably, adjacent its central longitudinal portion, with a projection I3 forming a hollow intermediate stop adapted to be positioned between adjacent faces of the sash members It and II in amanner to provide a guide for maintaining the opposite faces of the sash members in operative engaging position with respect to the stops I2 and I3,-respectively.

It will be noted by reference to Fig. 3 that the member I3, generally speaking, is normally of substantially bow-like form in cross-section and, by reference to Figs. 2 and 7, that when placed in position between thecasing II andsashmembers I4 and II, the member I3 is slightly flattened for placing the material thereof under springtensioninamannertoexertapressure against the edge portions of the sash members and II for providing-a weathertight connection between the casing and sash, the member I3 being also free to yield with lateral movement of the sash members in a manner to prevent rattling or binding of'the sash members within the casing, it being understood that owing to the resiliency of the member I3 and tension exerted thereby, the sash members I3 and I3 will be urged against the stops I2 and I3 as illustrated in Figs. 2 and 'I.

Fig. 8 illustrates a structure for providing a weather-tight connection between the upper rail of the sash member I3 and the lower rail of the sash member II, wherein a weather strip 23 is secured to the sash member II, and adapted to extend laterally therefrom and to underlie the upper rail of the sash member It as indicated at 33.

It will be observed from the foregoing description that the present invention comprises a novel construction and arrangement for producing a weather-tight connection between the casing and sash members, also that by reason of the resilient character of the member I3, binding or sticking of the sash is overcome, the sash members are secured against rattling, and the pressure exerted by the resilient member I3 assists in retaining the sash members in various positions of adjustment with respect to the casing II.

It will be observed also that by reason of the resiliency of the member I 3, the yieldability of the member will compensate for the expansion and contraction of the sash rails, and at the same time maintain a weather-tight connection between the window casing and sash.

For providing a counter-balance to assist in positioning the sash members It and II in various positions of adjustment with respect to the casing Ii, each of the sash members is provided at its comers adjacent the opposite sides of the sash with a recess I3 having an L-shaped spring metal angle member 2| positioned therein in a manner to form a resilient wear-piece'for engaging the stops I2 and I3 and to provide a channel for receiving atubular member 22 slidably mounted in a recess 23 formed in a plate 2| adapted to be secured by means of screws 23a to the upper edge portion of the sash members I3 and II, the tubular member 22 being vertically movable in the recess 23. and provided adjacent its upper end with an annular flange 23 for limiting the downward movement of the "tubular member 22 with respect to the plate 24 and respective sash members It and I3.

As illustrated in Figs. 6 and 8, the tubular' member 22 is provided adjacent its lower end portion with a connecting member 23 having a laterally extending flange or shoulder 21 formed thereon andextendingbeyond the surface of the tubular member in a manner to be engaged by the lower end of a compression spring 23 surrounding the tubular member 22, the upper end of the spring 23 being adapted tc'engage the lower surface of the plate 24 and to be secured against accidental displacement with respect thereto by means of an upwardly extending portion 23 (Fig. 9) formed on the end of the spring and adapted to engage an aperture 3I formed in the plate.

Positioned within the tubular member 22 is a tension spring 32 having its lower end portion operatively secured to the connecting member 23 and its upper end portion adapted to extend beyond the upper end of the tubular member 22 and connected to the upper rail 33 'of the casing II by means shown, in the present instance, as a screw-eye 34.

By such an arrangement, it will be apparent that upon the initial downward movement of the upper sash member II, the tension spring 32 will be extended to a point where the tension thereof is substantially equal to that of the compression spring 23 surrounding the tubular member 22, at which time the spring 23 will start to compress, and the tubular member 22 will be moved upwardly through the recess 23 in the plate 24 as illustrated in Fig. I}, and as the spring 23 is further compressed between the shoulder 21 and plate 24, the tension spring 32 will be lengthened correspondingly to permit the lowering of the sash II as may be desired, and at the same time the lowering of the sash will act to store sufliicent energy in the tension spring 32 and the compression spring 23 to assist in raising the sash II when it is desired to return the sash to its normal upper or closed position.

From the foregoing description it will be obsierved that the present invention provides a novel construction and arrangement of resilient or spring devices functioning to facilitate the raising of the lower sash, and in combination with the resilient member I3 and the force exerted thereby provides a novel arrangement whereby the sash may be readily retained in desired position with respect to the casing I I.

Referring particularly to Fig. 10, the structure illustrated therein comprises a casing I la having a top rail 33a and a sash member Iia slidably mounted in the casing, the member I 5a being provided with a recess or groove Isa adapted to receive a tubular member 22a secured rigidly therein, preferably, by means of a screw "extending through one side of the tubular member 22a, the opposite side of the tubular member being provided with an aperture 33 through which the screw 35 may be positioned in the sash member Iia for securing the tubular member 22a rigidly thereto.

Positioned within the tubular member 22a Is a compression spring 23a having its upper end portion in engagement with an inwardly extending shoulder 24b formed adjacent the upper portion of the member 22a, and its lower end portion engaging a shoulder or flange 21a formed on a connecting member 28a longitudinally movable within the tubular member 2 2a. Positioned within the compression spring 2811 is a tension spring 32a having its lower end portion secured by means of a screw-eye 31 to the connecting member 280, and its upper end operatively connected to the upper rail 33a of the casing Ha by means of a screw-eye 340, the arrangement of the compression spring 28a and tension spring 32a being such that as the sash member We is lowered, the tension spring 32a will be extended and the compression spring 28a compressed within the tubular member 22a for storing energy in the springs to assist in raising the sash substantially in the same manner as described with reference to the structure illustrated in Fig. 8, the structure illustrated in Fig. 10 being substantially. like that illustrated in Fig. 8 except that both springs are positioned within the tubular member 220 and the tubular member of Fig. 10 is secured against relative movement with respect to the sash member lia.

It will be observed from the foregoing description that the present invention further provides a novel combination of operatively related compression and tension springs operatively connected, respectively, to the sash and casing of a window structure for counter-balancing the weight of the sash, and in a manner to facilitate the removal of the springs for purposes of repair or replacement.

Obviously, the present invention is not limited to the precise construction and arrangement shown and described, as the same may be variously modified. Moreover, all the features of the invention need not be used conjointly as the same may be used to advantage in variously different combinations and sub-combinations.

What I claim as new and desire to secure by Letters Patent is:

1. In a window, the combination with a casing having laterally spaced substantially parallel inner and outer stops rigidly secured thereto, of an elongated member formed of resilient material positioned between said stops and laterally movable with respect to the sides of said casing and having oppositely disposed free edge portions movable toward and away from said stops, said member having an elongated substantially U- shaped projection adjacent its central longitudinal portion and forming a hollow intermediate stop, and upper and lower sash members slidably mounted, respectively, between said intermediate stop and the inner and outer stops secured to said casing.

2. In a window, the combination with a casing having inner and outer stops rigidly secured thereto, of an elongated member formed of resilient material positioned adjacent its edge portions against the side of said casing between and in spaced relation inwardly with respect to said stops, said member having an elongated substantially U-shaped projection adjacent its central longitudinal portion and forming a hollow intermediate stop, the portion of said member adjacent said projection being spaced from the side of said casing and laterally movable with respect thereto, and upper and lower sash member slidably mounted, respectively, between the opposite sides of said intermediate stop and the inner and outer stops secured to said casing.

3. In a window, the combination with a casing having inner and outer stops rigidly secured thereto, of an elongated member formed of resilient material and normally of bow-shaped crosssection positioned between said stops with the longitudinal edge portions of the member in engagement with the side portions of said casing and in spaced relation to said inner and outer stops, said member having an elongated substansaid elongated member tending to flatten the member in cross-section and place the material thereof under tension in a manner to yieldably engage the side edge portions of said sash.

4. In a window, the combination with a casing ,having inner and outer stops rigidly secured thereto and having upper and lower sash members slidably mounted in said casing, of an elongated resilient metal strip oi! normally bowshaped cross-section having elongated free edge portions slidably engaging said casing, said strip being positioned under tension against said casing by said sash members intermediate said stops, and a projection on said strip adjacent the central longitudinal portion thereof forming an intermediate stop positioned between said sash members.

5. In a window, the combination with a casing having inner and outer stops rigidly secured thereto and having upper and lower sash members slidably mounted in said casing, of an elongated resilient metal strip of normally bowshaped cross-section positioned under tension against said casing by said sash members intermediate said stops with both of its edges free to slide laterally on the casing, and an elongated substantially U-shaped projection formed on said strip adjacent the central longitudinal portion thereof and forming a hollow intermediate stop positioned between said sash members.

6. In a window, the combination with a casing having inner and outer stops rigidly secured thereto and having upper and lower sash members slidably mounted in said casing, of an elongated resilient metal strip of normally bowshaped cross-section positioned under tension between said casing and the edge portions of said sash members intermediate said stops and in spaced relation thereto, and an elongated substantially U-shaped projection with relatively movable sides formed integrally with said strip adjacent the central longitudinal portion thereof and forming a hollow intermediate stop positioned between adjacent faces of said sash members and movable laterally thereby and with respect to said inner and outer stops.

7. In a window, the combination with a casing having inner and outer stops secured thereto and having upper and lower sash members slidably mounted in said casing, of an elongated member formed of resilient sheet-like material positioned under tension between said casing and sash members intermediate said stops and having an elongated projection adjacent lts central longitudinal portion forming an intermediate stop between said sash members, said elongated member having longitudinal side edge portions engag-- ing the side of said casing between said stops and both slidably movable on said casing toward and from said inner and outer stops.

8. In a window, the combination with a casing having inner and outer stops secured thereto and 4'. I 11mm formed of resilient lheet-like material positioned under-tension betweeneeid cainzendsaehmemben intermediate said stops and hsvin: en elonsated projection adjacent its central longitudinal portion forming n resilient intermediate stop between said sash members adapted to yieldinzly urge tbe relpeotive sub members toward: said etopqnidelonleted member hnvinglonzitudiml sideedgeportiomenluinlthelidectaidcuinz between said stone and both elidebly movable on" seidcaaingtowudendiromuidinnermdouter 5 GIORGI A. KRIUSCHIR 

